Add touch: true to belongs_to

lib/shotengai/cart.rb

@@ -58,7 +58,8 @@ module Shotengai
             self.model_name.singular.to_sym, 
             class_name: self.name, 
             optional: true, 
-            foreign_key: :shotengai_order_id
+            foreign_key: :shotengai_order_id,
+            touch: true,
           )
         end
       end

lib/shotengai/catalog.rb

@@ -25,7 +25,7 @@ module Shotengai
     class << self
       def inherited subclass
         subclass.has_many :sub_catalogs, class_name: subclass.name, foreign_key: :super_catalog_id
-        subclass.belongs_to :super_catalog, class_name: subclass.name, optional: true  
+        subclass.belongs_to :super_catalog, class_name: subclass.name, optional: true, touch: true  
         # subclass.instance_eval("def klass; #{subclass}; end")
         super
       end

lib/shotengai/order.rb

@@ -30,7 +30,7 @@ module Shotengai
   
   class Order < ActiveRecord::Base
     self.table_name = 'shotengai_orders'
-    belongs_to :buyer, polymorphic: true, optional: true
+    belongs_to :buyer, polymorphic: true, optional: true, touch: true
     
     default_scope { where.not(status: 'cart') } 
     scope :status_is, ->(status) { where(status.blank?.! && { status: status }) }
@@ -156,7 +156,8 @@ module Shotengai
             self.model_name.singular.to_sym, 
             class_name: self.name, 
             optional: true,
-            foreign_key: :shotengai_order_id
+            foreign_key: :shotengai_order_id,
+            touch: true,
           ) 
         end
 

lib/shotengai/product.rb

@@ -30,7 +30,7 @@ module Shotengai
     require 'acts-as-taggable-on'
     self.table_name = 'shotengai_products'
     
-    belongs_to :manager, polymorphic: true, optional: true
+    belongs_to :manager, polymorphic: true, optional: true, touch: true
     validate :check_spec, if: :spec
 
     include AASM_DLC

lib/shotengai/series.rb

@@ -51,8 +51,8 @@ module Shotengai
 
       def add_associations
         # belongs to Product
-        @subclass.belongs_to :product, foreign_key: :shotengai_product_id, class_name: @product_name
-        @subclass.belongs_to @product_name.underscore.to_sym, foreign_key: :shotengai_product_id, class_name: @product_name
+        @subclass.belongs_to :product, foreign_key: :shotengai_product_id, class_name: @product_name, touch: true
+        @subclass.belongs_to @product_name.underscore.to_sym, foreign_key: :shotengai_product_id, class_name: @product_name, touch: true
         # has many snapshot
         @subclass.has_many :snapshots, class_name: "#{@product_name}Snapshot", foreign_key: :shotengai_series_id
       end

lib/shotengai/snapshot.rb

@@ -34,9 +34,9 @@ module Shotengai
     validate :cannot_edit_if_order_is_paid
 
     belongs_to :shotengai_order, foreign_key: :shotengai_order_id, 
-      class_name: 'Shotengai::Order', optional: true
+      class_name: 'Shotengai::Order', optional: true, touch: true
     belongs_to :shotengai_cart, foreign_key: :shotengai_order_id, 
-      class_name: 'Shotengai::Cart', optional: true
+      class_name: 'Shotengai::Cart', optional: true, touch: true
     
     scope :in_order, ->{ 
       joins("
@@ -58,8 +58,8 @@ module Shotengai
         product_name = /^(.+)Snapshot/.match(subclass.name)[1]
         series_name = "#{product_name}Series"
         # belongs to Series
-        subclass.belongs_to :series, foreign_key: :shotengai_series_id, class_name: series_name
-        subclass.belongs_to series_name.underscore.to_sym, foreign_key: :shotengai_series_id, class_name: series_name
+        subclass.belongs_to :series, foreign_key: :shotengai_series_id, class_name: series_name, touch: true
+        subclass.belongs_to series_name.underscore.to_sym, foreign_key: :shotengai_series_id, class_name: series_name, touch: true
         super
       end
     end
@@ -85,7 +85,7 @@ module Shotengai
     end
 
     def cut_stock
-      self.series.cut_stock
+      self.series.cut_stock(self.count)
     end
 
     def meta